Waterfly One Strap Backpack Purse


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Customer Questions & Answers
Q:Will this bag fit a surface pro?
A:the size of our chest sling bag is 16.5 x 10.6 x 4.7 inches / 42 x 27 x 12cm (H x L x W), the main pocket fits for iPad 4/5/6. It may not fit your surface pro

Q:How waterproof is this backpack? Just against light rain?
A:Really good against light rain.

Q:will the card pocket fit in iPhone 8?
A: Yes, the card pocket on the strap fits my iPhone 7 perfectly, so a 6 or 8 would also fit. My daughter's iPhone XR is too large.

Q:What size (width and height) of water bottle will the side pouch fit and securely stay in?
A:The Waterfly Sling Backpack will hold a 20oz bottle of water (a little slimmer than a wine bottle and 2/3 the height). The adjustable string on the mesh bottle holder will keep it secure.

Q:will it fit an ipad pro 11 in?

Q:Will this fit the galwxy tab s 4 or the galaxy tab s 3?
A:I don’t know about the Galaxy tab but I do know it will fit an Apple iPad Air 2.

Q:Will the mesh side pocket fit a water bottle 3.5" - 4" in diameter?
A:It will accommodate a 16.9 oz. Water bottle, cell phone and keys at the same time.

Q:What is the exact measurements inside the biggest compartment?
A:The biggest compartment Dimension of the casual sling daypack is about 15.5 x 9.6 inches / 40 x 25 cm. It’s the perfect to carry a few things between classes or even to take a change of clothes for a night out, walking,hiking and so on.

Q:Is it too big for a short person? I am 5'1" will it drown me?
A:Wife is 5'0" and she wore it fine.

Q:Will this fit a 8x11 spiral size notebook and a small tablet? If not, is this available I ain't a larger size?
A:A 9.6 inch iPad Pro easily fits in but even a 8 x11 pad of paper will not. You can slip the paper pad into the pocket but the top 20% of it will be sticking out sideways and and you will not be able to zip the bag.

Q:Will a 10 - 11 3/4 - 1 1/2 in loose leaf notebook, apple ipad air, samsung galaxy j3 plus pens, keys?
A:I’m not sure on the note book, that might be a bit big - but my iPad - iPhone and pen wallet - glasses fit fine. It has a space for a small umbrella mine is a tote brand fits perfect. Water bottle in the side - it has slots inside for cards or cash - it is very nice and has held up well for me so far.

Q:what size water bottle can it hold?
A:The bag will hold a regular 16oz plastic bottle, a 20 oz and 24 oz reusable bottle easily. The bases of my reusable bottles are between 2.5” - 3” in diameter. The water bottle pocket has an adjustable cord for security.S


Sling Bag Material: special linen material (water resistant)
Sling Bag Size : 18.5 x 12.2 x 5.1 inches
Sling Bag Strap Length Range: 25.9 - 46.5 inches
Recommended Use of Sling Pack: day pack for walking, traveling, bike rides,school bag, amusement park trip



We ship freely our bags all over the world, including United States, Canada, Japan, France, United Kingdom, Italy, Germany, Spain, also cover the custom clearance service.

Normally, we can offer three shipping methods. Estimated arrival dates are not guaranteed. Weather delays and other unforeseen circumstances may impact delivery time.

US/CA/UK/DE/FR/IT/ES/JP--Within 1kg

1. Free Shipping: Free, (12-22 business days after fulfillment)

2. Standard Shipping: $5.00, Flat Rate (5-10 business days after fulfillment)

3. Express Shipping: $10.00, (3-7 business days after fulfillment)

US/CA/UK/DE/FR/IT/ES/JP--Within 1-2kg--+$5

US/CA/UK/DE/FR/IT/ES/JP--Within 2-3kg--+$10

US/CA/UK/DE/FR/IT/ES/JP--Within 3-5kg--+$15

Other Countries:

Within 0-1kg--+$5

Within 1-2kg--+$10

Within 2-3kg--+$15

Within 3-5kg--+$20

For more shipping information, you could contact us by leaving a message. We will get back to you in 24 hours.

Customer Support

Our Promise
At Waterfly Outdoor, we promise to support our consumers to the highest level of satisfaction. That means taking responsibility for promptly solving product, service and/or warranty problems. If you are not satisfied with the service you have received at any time, then please contact us directly. Your satisfaction and success remain our goal.

Waterfly Outdoor Warranty
Waterfly Outdoor guarantees all waterfly products purchased from us are made of high quality materials, and provides one year warranty against any defect in material and workmanship.

Return Policy
If a Waterfly product has a manufacturers defect covered by our warranty, we will replace it, at our opinion, without charge. Please contact us at the first time, also offer us your name, order number, product pictures.

Waterfly Outdoor Customer Service
Skype: stronger623
Email –

Any more questions, please feel free to  contact us.